"Charitable Chinese Man Feeding A Criminal In A Cangue. Ca. 1905"
"Petty criminals were sentenced to wear the canque, often for a couple of months, and display themselves in public places. At best they were humbled by dependence on others to be fed, at worst, they might starve to death. The sign on the cangue describes the man's crime."
It must be after 1945. It shows a policemen in Hamburg, Germany.
Those kind of uniforms are bought from the British to germany. Hamburg was in the british zone after WW II.
They used this kind of uniform till the early 80s in Hamburg.